About

Work Experience

• Senior Embedded Software Engineer, Looking Glass HK Limited

  May, 2021 - Present

  Looking Glass Factory, light field display technology for the holographic future. Hardware and software stack facilitating the transition from Flatland and into the third dimension.

  • Transitioned existing firmware to MCU with availability during component shortage, preventing manufacturing downtime.

  • Implemented USB HID API (C++) used in numerous products, allowing applications engineers to easily interface with hardware.

  • Created automated production line programming and test applications (Python), ensuring all products are shipped in a functional state.

  • Implemented serial bootloader (C) and desktop application software (Python), enabling users to flash OTA updates to their devices.

  • Streamlined production line software provisioning and configuration by migrating to Ansible.

• Chief Hardware Engineer (Co-Founder), Ambi Labs Limited

  Sep, 2012 - Dec, 20208 years 4 months

  Ambi Labs offers an advanced air conditioning (AC) experience in the form of Ambi Climate. The A.I.oT device connects to your WiFi and controls your AC via infra-red. Utlising a number of sensors and AI, it automatically adjusts your AC, saving energy and enhancing user comfort.

  • Brought to manufacture a mid-volume consumer electronics device from a clean sheet.

  • Delivered product on time for two successful Kickstarter campaigns.

  • Designed a dual MCU hardware device from prototype to production CAD (KiCAD).

  • Wrote production ready software (embedded C/bash) for an embedded Linux system (Ralink RT5350 / Mediatek MT7688).

  • Wrote production ready software (embedded C) for a bare metal MCU (STMicroelectronics STM32F103RCT6).

  • Implemented a robust Firmware Over the Air (FOTA) update system for a multiple MCU architecture.

  • Implemented continuous integration (CI) firmware build and test system running on Circle CI using Unity and CTest unit test frameworks.

  • Implemented end to end integration testing of device API using Python.

  • Worked closely with industrial designers and mechanical engineers to create an integrated design (iF Design Award).

  • Implemented hardware (Raspberry Pi + custom hat) and software (Python/web.py/MySQL/SQLite) for production line test systems.

  • Prepared materials and provided support to test houses in certifying devices for sale in multiple regions (CE/RED/FCC/TELEC), including creating custom test firmware and correcting EMC issues.

• Lead Engineer (Founder), mydigitalimagination

  Aug, 2011 - Aug, 20121 year 1 month

  mydigitalimagination created the realtime telemetry dashboard add-on 'iRaceDash' for the eSports motor racing game iRacing.

  • Self taught Android Java and Objective-C.

  • Went from a blank sheet of paper to apps generating revenue in both the Google Play Store and App Store.

  • Implemented efficient server to app communication inspired by the NetChannel UDP protocol used in the game Quake. Allowing a combination of unreliable low latency messages and reliable messages to be sent over UDP.

• Embedded Software Engineer (Consultant), BW Broadcast Ltd (Consultant)

  Jun, 2009 - Jan, 20111 year 7 months

  See company details below.

  • Working remotely for previous employer after moving to Hong Kong.

  • Developed embedded linux based Audio Over IP (AOIP) solution for 'low' latency studio to transmitter links.

  • Implemented plugin architecture to easily allow adding new audio codecs (CELT, APTX).

  • Prototyped using BeagleBoard (TI OMAP3530 SoC) and OpenEmbedded. Then migrated to PTXdist and custom hardware.

  • Created embedded webserver to serve Flash based remote control application.

  • Modified ALSA System on Chip (ASoC) audio driver to interface with custom audio hardware.

• Senior Embedded Engineer, BW Broadcast Ltd

  Feb, 2005 - Mar, 20094 years 2 months

  BW Broadcast is a manufacturer of professional broadcast equipment, including FM transmitters, Audio processors, RDS encoders, FM amplifiers and FM receivers.

  • Created automated production test scripts using the Prism Sound dScope III audio test set.

  • Added support for new equipment to C++ applications used by customers to remotely control BW Broadcast products.

  • Extended firmware running on Microchip PIC18F8720 to add support for new products.

  • Facilitated moving production of higher volume products to China in order to reduce production costs.

  • Learned component level repair and advanced soldering techniques.

  • Configured and deployed an Asterisk based IP PBX phone system to meet the business requirements of having a low cost yet flexible telephone routing system.

• Production Programmer, ClinPhone

  Nov, 2001 - Sep, 20042 years 11 months

  ClinPhone offers interactive voice response (IVR) to coordinate multinational clinical trials for new medicines.

  • Implemented automated telephone call flows using an in-house scripting language.

  • Helped improve code quality by generating standardised re-usable templates.

  • Worked with both medical and technical professionals to solidify client specifications.

  • Learned the difference between quality and validation.

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Education

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